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Www.factsage.com Mixture 1 The Mixture module Use Mixture to edit mixtures and streams for input to Equilib. NOTE that the use of the Mixture module is.

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Presentation on theme: "Www.factsage.com Mixture 1 The Mixture module Use Mixture to edit mixtures and streams for input to Equilib. NOTE that the use of the Mixture module is."— Presentation transcript:

1 Mixture 1 The Mixture module Use Mixture to edit mixtures and streams for input to Equilib. NOTE that the use of the Mixture module is very closely linked with the Equilib module. Streams for example are generated in Equilib and the Mixture module is only used to edit them. Table of contents Section 1 Table of contents Table of contents Section 2 Open the Mixture module Open the Mixture module Section 3 Creating and Saving a Mixture Creating and Saving a Mixture Section 4 Importing «My Air» into Equilib and manipulating the total amount Importing «My Air» into Equilib and manipulating the total amount Section 5 Creating a Stream Creating a Stream Section 6 Importing «Roaster Gas» into Equilib as a single- line mixture and manipulating its amount Importing «Roaster Gas» into Equilib as a single- line mixture and manipulating its amount Section 7 Editing a single-line mixture (or stream) Editing a single-line mixture (or stream)

2 Mixture The Mixture module 2 Click on Mixture in the main FactSage window.

3 Mixture 3.0 Creating and Saving Mixture The following two slides show how a Mixture is created for use as a «combined» input in the Equilib Reactants screen. Note that mixtures once created can also be edited/modified at a later time using the Mixture module.

4 Mixture Creating a Mixture A mixture is a group of reactants that you normally enter via the Equilib Reactants Window. If you edit and change the «total moles» then the reactants moles will change correspondingly. 3.1 Total number of moles are automatically calculated by Mixture. Here in Mixture, we have entered 4 gaseous species at K. Click on «Units» to change the settings. Here we are using T(K), P(atm), Energy (J) and Mass(mol).

5 Mixture Saving the Mixture Click on to save your mixture. Save 3.2 Enter a file number: «1» and a mixture name: «My Air».

6 Mixture 4.0 Importing «My Air» into Equilib and manipulating the total amount The mixture «My Air» generated with the Mixture module is imported into Equilib via the Reactants screen. Two possibilities are open: as a single-line input, i.e. similar to a pure substance, and as a multi-line input. Furthermore it is possible to manipulate the total amount of a mixture before calculation begins. The following three slides show how the above actions are performed.

7 Mixture Importing «My Air» into Equilib as a multi-line mixture In the Reactants window of the Equilib program, select: Edit > Mixtures and Streams > Import a multi-line mixture > 1 My Air mixture 4.1 Importing as a multi-line mixture is equivalent to manually entering the reactants.

8 Mixture Importing «My Air» into Equilib as a single-line mixture To import a mixture, select: Edit > Mixtures and Streams > Import a single-line mixture or stream > 1 My Air mixture Let us say that you have already entered a reactant, FeS, in the Reactants window of the Equilib program. 4.2 Point cursor to display details on the Mass. Click on the down-arrow to get the list of [My_Air] mixture components.

9 Mixture Changing the Mass input of the mixture Changing input to 1.0 mole. The mixture automatically changes its composition. 4.3

10 Mixture 5.0 Creating a Stream A stream is an equilibrated phase stored via the Equilib Results window. In other words, it contains a set of amounts of the constituents of a phase that was generated in an equilibrium calculation. The following two slides show how Equilib is used to generate a gas stream from the roasting of FeS with O2 (FeS + O2, T=1000K, P=1atm).

11 Mixture Creating a Stream – Properties A stream is an equilibrated phase stored via the Equilib Results window Setting the cut-off limit for the stream species: Output > Stream File > Stream file properties… and selecting the Default values. 5.1 Results of an equilibrium calculation: FeS + O 2 as reactants T = 1000 K P = 1 atm

12 Mixture Creating a Stream – Saving The gas phase contains the oxidation products of FeS + O 2 roasting at 1000 K Creating a gas stream: Output > Stream File > Save stream file > Save gas phase… 5.2 and a stream name: «Roaster Gas». Enter a file number: «2»

13 Mixture 6.0 Importing «Roaster Gas» into Equilib as a single-line mixture and manipulating it The stream «Roaster Gas» generated from Equilib output (see above) is used as a single-line input. The initial amount (as calculated) is modified before calculation takes place. All of these actions take place in the Reactants screen of the Equilib module.

14 Mixture Importing «Roaster Gas» into Equilib as a single-line mixture To import a mixture, select: Edit > Mixtures and Streams > Import a single-line mixture or stream > 2 Roaster Gas stream Let us say that you have already entered a reactant, FeS, in the Reactants window of the Equilib program. 6.1 Click on the down-arrow to get the list of [Roaster_Gas] mole fractions. Point cursor to display details on the Mass.

15 Mixture Changing the Mass input of the stream Changing input to 0.5 mole. The stream automatically changes its composition. 6.2

16 Mixture Editing a single-line mixture (or stream) in the Mixture program Changing input to 0.5 mole. 7.1 You can edit a mixture or a stream via the Mixture window: File > Open…>Double- click on Roaster Gas stream.

17 Mixture Editing a single-line mixture (or stream) in the Mixture program The stream automatically changes. You can save your modifications 7.2


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